package com.java.reggie.Controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.java.reggie.common.R;
import com.java.reggie.entity.Employee;
import com.java.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    /**
     * 员工登录
     * @param request   接受session
     * @param employee  接受json用户名密码
     * @return
     */
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp = employeeService.getOne(queryWrapper);
        if(emp == null){
            return R.error("登录失败");
        }
        if(!emp.getPassword().equals(password)){
            return R.error("登录失败");
        }
        if(emp.getStatus() == 0){
            return R.error("账号已禁用");
        }
        request.getSession().setAttribute("employee",emp.getId());
        return R.success(emp);
    }

    /**
     * 员工退出
     * @param request
     * @return
     */
    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        //清除session中保存的员工id
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    /**
     * 新增员工
     * @param employee
     * @return
     */
    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){

//        for (int i = 0; i < 25; i++) {
//            String username = "test"+i;
//            //设置初始密码123456
//            employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
//            //设置各种信息
//            employee.setCreateTime(LocalDateTime.now());
//            employee.setUpdateTime(LocalDateTime.now());
//            employee.setUsername(username);
//            employee.setId(2L+i);
//            employee.setCreateUser((Long)request.getSession().getAttribute("employee"));
//            employee.setUpdateUser((Long)request.getSession().getAttribute("employee"));
//            employeeService.save(employee);
//            log.info("新增员工信息：{}",employee.toString());
//        }

        //设置初始密码123456
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
        employeeService.save(employee);
        log.info("新增员工信息：{}",employee.toString());
        return R.success("新增员工成功");
    }

    /**
     * 员工信息分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        log.info("page = {}, pageSize = {}， name = {}",page,pageSize,name);
        //构造分页构造器
        Page pageInfo = new Page(page,pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        //添加排序条件
        queryWrapper.orderByAsc(Employee::getUpdateTime);
        //查询
        employeeService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 根据修改员工信息
     * @param employee
     * @return
     */
    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){
        log.info(employee.toString());

//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser((Long)request.getSession().getAttribute("employee"));
        long id  = Thread.currentThread().getId();
        log.info("线程ID为:{}",id);
        employeeService.updateById(employee);
        return R.success("员工信息修改成功");
    }


    @GetMapping("{id}")
    public R<Employee> getById(@PathVariable Long id){
        log.info("根据id查员工信息...");
        Employee employee = employeeService.getById(id);
        if (employee != null){
            return R.success(employee);
        }
        return R.error("没有该用户信息");
    }

}
